4-18-00-02558 (Beilstein Handbook Reference) 468-13-3 BRN 0071268 BUFA-20,22-DIENOLIDE, 3-(6-DEOXY-3-O-METHYL-D-GLUCOPYRANOSYL)OXY-14,19-DIHYDROXY Bovosidol A Bufa-20,22-dienolide, 3-(6-deoxy-3-O-methyl-D-glucopyranosyl)oxy-14,19-dihydroxy-